Dial |
4.5” (115mm), 6” (150mm) white aluminum with black markings |
Case |
Aluminum, painted black |
Front Flange |
SS |
Back Flange |
Black steel |
Lens |
Glass |
Ring |
4.5” (115mm): SS
6” (150mm): Aluminum |
Socket |
Brass or 316 SS |
Connections |
1/4” NPT standard |
Scale |
PSI only |
Bourdon Tubes |
Phosphor bronze or AISI 316 SS, independent, matched |
Movement |
Brass |
Pointer |
Aluminum, micrometer |
Welding |
Tin/copper alloy for brass internals, TIG argonarc for SS internals |
Over-Pressure Limit |
30% of full scale value |
Working Pressure |
Maximum 75% of full scale value |
Ambient/Process Temperature |
-40°F to 150°F (-40°C to 65°C) |
Accuracy |
±1% ANSI/ASME Grade 1A |